diff --git a/themes/birzha/pages/index.htm b/themes/birzha/pages/index.htm
index be35dac5f..943c99ac4 100644
--- a/themes/birzha/pages/index.htm
+++ b/themes/birzha/pages/index.htm
@@ -72,7 +72,21 @@ postPage = "news_post"
 
                 {% for post in posts %}
 
-                    <div class="news_box-item wow fadeInUp" data-wow-duration=".5s" data-wow-delay=".1s">
+                    <div class="news_box-item wow fadeInUp" data-wow-duration=".5s"
+                        {% if loop.index > 4 %}
+                            {% if loop.index - 3 < 10 %}
+                                data-wow-delay=".{{ loop.index - 3 }}s"
+                            {% else %}
+                                data-wow-delay="{{ (loop.index - 3) / 10 }}s"
+                            {% endif %}
+                        {% else %}
+                            {% if loop.index < 10 %}
+                                data-wow-delay=".{{ loop.index }}s"
+                            {% else %}
+                                data-wow-delay="{{ loop.index / 10 }}s"
+                            {% endif %}
+                        {% endif %}
+                    >
                         <div class="news_box-item-photo">
                             <img src="{{ post.featured_images[0].thumb(467,300,{'mode':'crop'}) }}" alt="news-photo">
 
diff --git a/themes/birzha/pages/novosti.htm b/themes/birzha/pages/novosti.htm
index 2370548c1..d5574f520 100644
--- a/themes/birzha/pages/novosti.htm
+++ b/themes/birzha/pages/novosti.htm
@@ -29,7 +29,21 @@ postPage = "news_post"
 
             <div class="news_box">
                 {% for post in posts %}
-                <div class="news_box-item wow fadeInUp" data-wow-duration=".5s" data-wow-delay=".2s">
+                <div class="news_box-item wow fadeInUp" data-wow-duration=".5s"
+                    {% if loop.index > 4 %}
+                        {% if loop.index - 3 < 10 %}
+                            data-wow-delay=".{{ loop.index - 3 }}s"
+                        {% else %}
+                            data-wow-delay="{{ (loop.index - 3) / 10 }}s"
+                        {% endif %}
+                    {% else %}
+                        {% if loop.index < 10 %}
+                            data-wow-delay=".{{ loop.index }}s"
+                        {% else %}
+                            data-wow-delay="{{ loop.index / 10 }}s"
+                        {% endif %}
+                    {% endif %}
+                >
                     <div class="news_box-item-photo">
                         <img src="{{ post.featured_images[0].thumb(467,300,{'mode':'crop'}) }}" alt="news-photo">